The Department for Work and Pensions (DWP) committee is to hear further evidence on the new state pension this month.
Politicians will take part in a debate in the new year on how women have been affected by the equalisation of the state pension age (SPA) on the back of concerns.
Helen Morrissey doesn't expect any let up in pension reform in 2016.
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Baroness Altmann has said the government is handing the pension industry "millions of customers on a plate" through auto-enrolment, but warned it was not about to raise minimum contribution rates.
Problems persist with state pension tweaks
The introduction of the state pension from April 2016 will be scrutinised through an inquiry by the Department for Work and Pensions (DWP) select committee.
People in work aged 50-64 made up the greatest jump in the number of working households from 1996 to 2015 according to the Office for National Statistics (ONS).
Pensions Minister Baroness Altmann has said she looked into helping women affected by having the start date of their state pension put back twice, but could not find a way to do so.